Daisy
Last Updated: Feb 8, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
The product is 1/4x12 has STL drill bit
Easy to use
The product is manufactured in China
135 degree split point drills on contact and prevents walking
Parabolic flute design improves chip ejection in metal and wood drilling applications
Black oxide coated for greater wear resistance
Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Speed helix design for three times faster drilling than standard bits
Last 50 percent longer than high-speed steel
Easier drilling, reduced heat and extended drill bit life
Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver Deming)
For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Speed helix design for three times faster drilling than standard bits
Last 50 percent longer than high-speed steel
Easier drilling, reduced heat and extended drill bit life
Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)
For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
135° split point tip prevents drill from walking
Round shanks allow use with a wide variety of tool holding systems
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
6" overall length for drilling where extra length for reach is required
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
135 degree split point drills on contact and prevents walking
Extended Length drills in hard to reach spaces
Black Oxide coated for greater wear resistance
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
ACCURACY: Featuring a no skate tip to reduce bit walking, eliminate the need for center punch, and provide accurate starts
RELIABLE: Designed with long flutes for increased speed and effective material removal. The Bosch BL9IM Drill Bit Set is ideal for universal drilling in a variety of drills including 1/4in. hex drills.
TOUGH: Featuring an impact-rated shank, engineered for higher torque drills and impact drivers in tough construction applications.
LONGEVITY: The black oxide coating provides a cooling shield for less friction and less generated heat giving longevity to the life of the bit set.
VERSATILITY: Includes highly visible, laser-etched marking to clearly identify individual bit diameters. Includes 1/16 in., 3/32 in., 1/8 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., 5/16 in., 3/8 in. bit sizes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Speed helix design for three times faster drilling than standard bits
Last 50 percent longer than high-speed steel
Easier drilling, reduced heat and extended drill bit life
Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)
For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BOYOUYS | 7.32 | ✅ | ✅ | ✅ |
✅【Five-blade design】Each countersunk drill adopts five-blade blade design, which can reduce vibration and prolong life, achieve smoother drilling, with 1/4" metal hex.
✅【Compact Grinding】Precision grinding 82° tip for drilling holes on most medium hardness stainless steel, copper, aluminum, wood, plastic.
✅【M2 HSS Cobalt Layered Drill Bits】M2 Cobalt Coated, each metal countersunk drill bit is made of high quality M2 HSS material, this countersunk drill bit set is excellent in heat, corrosion and rust resistance to reduce friction and run cooler.
✅【Universal Compatibility】Surface black oxide treatment increases corrosion resistance, and the five-blade design helps create a strong connection between the screw and the material.
✅【Clear Sizes】Meticulously crafted drills with very high visibility numbers available in very common 1/4", 3/8", 1/2", 5/8" and 3/4" drill sizes.
✅【100 extra-long warranty period】:if you have any questions about the product, please contact us and we will answer you within 12 hours. If the hexagonal handle breaks, refund or replace for 100% .
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TG tools | 9.94 | ✅ | ✅ | ✅ |
High-quality Design: Classic M2 High Speed Steel construction with black oxide finish for proven capability and durability.
Extra Long Drill Bit Set: Last 50 percent longer than high-speed steel. It is especially suitable for drilling in areas where the normal working length of the bit can not reach.
Easier Drilling: Reduced heat and extended drill bit life. 135 degree split point drills on contact and prevents walking.
Corrosion Resistance: Black oxide coated for greater wear resistance
Widely Application: Suitable for metal, copper, aluminum, kinds of wood, plastic, MDF, nylon composite materials, etc., especially for general purpose hand drill, allowing you to enter the hard to reach areas, and the normal working length of the drill can not reach.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DrillHulk | 9.88 | ✅ | ✅ | ✅ |
AIRCRAFT EXTENSION: 1/8-inch cutting diameter, 1-5/8-inch flute length, 6-Inch overall length, 135 degree split point, straight shank
MADE FROM PREMIUM M2 HIGH-SPEED STEEL: perform better because of its well-balanced toughness
BLACK OXIDE: Black oxide coating resists corrosion
APPLICATION: are ideal for extra reach and deep drilling applications in medium and softer materials, soft metal, PVC and wood
INCLUDE: 6 pieces of 1/8-inch aircraft extension drill bits with case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| USA Tool Depot | 9.68 | ❌ | ❌ | ❌ |
Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit
High-speed steel (HSS) provides hardness for wear resistance
Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials
Self-centering 118-degree notched point penetrates material more easily than a conventional point without a pilot hole, and maintains a sharp cutting edge
Drill bit conforms to ANSI standards
Made in the USA
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Bosch | 19 |
| Drill America | 13 |
| Dewalt | 3 |
| Comoware | 2 |
| Drill Hulk | 2 |
| Boyouys | 1 |
| Cleveland | 1 |
| Dremel | 1 |
We've carried out a comprehensive analysis of 21,847 reviews on extra long drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select extra long drill bits priced around $13.02, with top brands including neiko, drill america, comoware, baker and bolt, lldsimex, fulton, max-craft, wesleydrill and dudua and irwin tools
Our team of expert editors reviewed these high-quality items and handpicked the top 11 extra long drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include amazon.com, coneve, awadeals, lldsimex, tg tools, peachtree woodworking supply inc, max-craft, haijier tools and xintang shengrui trading company, tianhe district and carolina tools .
We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which extra long drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.